New answers tagged pest-damage
There is a human solution to this problem that will also nurture your lawn. Buy a box of Blood Meal at Home Depot or a garden center. Here is a description of it: "Blood meal is a high nitrogen fertilizer (it rates a 12-2-0; a very high number for a natural product), as are fish meal (and fish emulsion), horse and poultry manure and corn gluten meal ...
Looks like deer due to the height of the marks, rough broad marks (deer sort of rip the leaf) on the leaf. More leaves on the bottom of the plant indicates its not a shorter animal like rodents, groundhog. Image from http://cultivatorscorner.com/garden-pests-deer
I bet its some sort of groundhog / gopher or other type of garden rodent pest. Without visible bite/teeth marks it is hard to say for certain, but I had pepper plants and they ate them up first. Pretty much avoided my tomatoes though.
If you can't see any teeth marks anywhere, that might rule out rabbits, squirrels, deer and the like. It sounds like a job for a torch after dark - you need to go out in the night and see if there's anything there, including insects such as earwigs. I imagine you've already checked for caterpillars in the day time.
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